Finding the Fourth Proportional to 10,194.42, 14,068.35 and 5,717.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,194.42 : 14,068.35 = 5,717.91 : x
2. Step 2: Convert to fraction form
   10,194.42/14,068.35 = 5,717.91/x
3. Step 3: Cross multiply
   10,194.42x = 14,068.35 × 5,717.91
4. Step 4: Simplify right side
   10,194.42x = 80,441,559.15
5. Step 5: Solve for x
   x = 80,441,559.15/10,194.42
6. Step 6: Final answer
   x = 7,890.74